The box plot shows ages of randomly sampled attendees at two different movies. Movie A Movie B 10 15 20 25 30 35 40 45 50 Age (in years) Tell whether each statement applies to Movie A or Movie B. 7 a. The median age of attendees is greater. Movie A Movie B 8 b. The interquartile range is 9. O Movie A D Movie B 9 c. The ages are more consistent. O Movie A D Movie B 10 d. The range of ages is greater. OMovie A Movie B
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
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